VoLTE roaming enables users to access voice solutions beyond their home network on 4G and 5G networks; and provide several benefits for consumers around the world, transforming their entire voice roaming experience. Despite the visible benefits offered by VoLTE roaming, it continues to witness a low adoption rate globally. This situation has arisen from the fact that the implementation of VoLTE roaming continues to face technical, financial, and operational challenges. VoLTE roaming has not yet become the industry norm.

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Kaleido Intelligence surveyed 91 unique operator respondents across tier-1 and tier-2 MNOs and MVNOs around the world on their 2G/3G network sunset plans, VoLTE roaming implementation strategies and roadmap, alongside key technological requirements from partners and roaming vendors during March-April 2022.

This white paper from Syniverse and Kaleido Intelligence discusses strategies to ensure a successful VoLTE roaming implementation for mobile operators, outlining key drivers, 2G/3G sunset plans, 5G roaming timescales, challenges and key recommendations to enable best in class service continuity.